/* Tronext official landing — Brand Core marketing surface
   Law: Azul decide. Neutro habita. Copy: docs/company/OFFICIAL_LANDING.md */

:root {
  --ink: #0F172A;
  --ink-2: #334155;
  --ink-3: #64748B;
  --line: #EDF1F6;
  --ice: #F8FAFC;
  --surface: #FFFFFF;
  --surface-1: #F6F8FA;
  --brand-deep: #1E40AF;
  --action: #2563EB;
  --action-ink: #1D4ED8;
  --hot: #B45309;
  --ok: #047857;
  --radius: 16px;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.10);
  --font: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --display: "Syne", "IBM Plex Sans", sans-serif;
  --wrap: min(1120px, calc(100% - 2.5rem));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--ice);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.08; margin: 0; }
p { margin: 0; }
.wrap { width: var(--wrap); margin-inline: auto; }
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--action); color: #fff; padding: .75rem 1rem; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 250, 252, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s, box-shadow .25s;
}
.top.is-solid {
  border-bottom-color: var(--line);
  background: rgba(246, 248, 250, 0.94);
  box-shadow: 0 1px 0 rgba(15,23,42,.02);
}
.top__inner {
  height: 64px; display: flex; align-items: center; gap: 1.5rem;
}
.logo { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--display); font-weight: 700; font-size: 1.15rem; }
.nav { display: none; gap: 1.25rem; margin-left: auto; color: var(--ink-2); font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--ink); }
.top__actions { display: flex; align-items: center; gap: .85rem; margin-left: auto; }
.nav + .top__actions { margin-left: 0; }
.quiet { color: var(--ink-2); font-weight: 600; font-size: .95rem; }
.quiet:hover { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 1.25rem;
  border-radius: 12px; border: 1px solid transparent;
  background: var(--action); color: #fff;
  font-weight: 700; font-size: 1rem;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { background: var(--action-ink); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--sm { min-height: 40px; padding: 0 1rem; font-size: .92rem; box-shadow: 0 6px 16px rgba(37,99,235,.18); }
.btn--lg { min-height: 56px; padding: 0 1.5rem; font-size: 1.05rem; }
.btn--ghost {
  background: transparent; color: var(--ink); border-color: #D7DEE8;
  box-shadow: none; font-weight: 600;
}
.btn--ghost:hover { background: var(--surface); border-color: #C5CEDA; }
.btn--on-dark {
  background: #fff; color: var(--brand-deep);
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
}
.btn--on-dark:hover { background: #F8FAFC; }

/* Hero */
.hero { position: relative; padding: 2.5rem 0 4.5rem; overflow: clip; }
.hero__wash {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 420px at 85% 10%, rgba(37,99,235,.12), transparent 60%),
    radial-gradient(700px 380px at 10% 0%, rgba(30,64,175,.08), transparent 55%),
    linear-gradient(180deg, #EEF3FA 0%, var(--ice) 55%, var(--ice) 100%);
  pointer-events: none;
}
.hero__wash::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,23,42,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
  opacity: .7;
}
.hero__grid {
  position: relative;
  display: grid; gap: 2.75rem; align-items: center;
}
.kicker {
  font-family: var(--display); font-weight: 800; font-size: clamp(2rem, 5vw, 3.4rem);
  color: var(--brand-deep); letter-spacing: -0.04em; line-height: 1; margin-bottom: .85rem;
}
.hero h1 {
  font-size: clamp(2.05rem, 5.2vw, 3.35rem);
  max-width: 16ch;
  margin-bottom: 1.15rem;
}
.lead { color: var(--ink-2); font-size: 1.12rem; max-width: 46ch; }
.hero .lead { margin-bottom: 1.6rem; }
.cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: .85rem; }
.micro { color: var(--ink-3); font-size: .92rem; max-width: 42ch; }

/* Hero pillars — copy-first, no UI screenshots */
.hero__pillars {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1.35rem 1.25rem 1.15rem;
}
.hero__pillars-kicker {
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-deep); margin-bottom: 1rem;
}
.pillar-stack { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.pillar {
  display: grid; grid-template-columns: 2.5rem 1fr; gap: .75rem; align-items: start;
  padding: .75rem .65rem; border-radius: 12px; background: var(--ice);
  opacity: 0; transform: translateY(10px);
  animation: pillar-in .55s cubic-bezier(.2,.8,.2,1) forwards;
  animation-delay: calc(.2s + var(--i) * .08s);
}
@keyframes pillar-in { to { opacity: 1; transform: none; } }
.pillar__n {
  font-family: var(--display); font-weight: 800; font-size: 1.1rem; color: var(--brand-deep);
}
.pillar strong { display: block; font-size: .98rem; margin-bottom: .15rem; }
.pillar p { color: var(--ink-2); font-size: .86rem; line-height: 1.45; }
.pillar-note {
  margin-top: 1rem; font-size: .84rem; color: var(--ink-3); font-weight: 600;
  border-top: 1px solid var(--line); padding-top: .85rem;
}

.proofline {
  margin-top: 1.1rem; color: var(--ink-2); font-weight: 600; font-size: .92rem;
  padding-top: 1.1rem; border-top: 1px solid var(--line); max-width: 42ch;
}


/* Sections */
.sec { padding: 5rem 0; }
.sec__head { margin-bottom: 2.25rem; max-width: 18ch; }
.eyebrow {
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-deep); margin-bottom: .75rem;
}
.sec h2 { font-size: clamp(1.85rem, 3.8vw, 2.75rem); }
.sec__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }

.manifesto { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.manifesto li {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--line);
}
.manifesto span {
  font-family: var(--display); font-weight: 800; font-size: 1.35rem; color: var(--brand-deep);
}
.manifesto h3 { font-size: 1.25rem; margin-bottom: .4rem; }
.manifesto p { color: var(--ink-2); max-width: 58ch; }

.sec--results { background: var(--surface); border-block: 1px solid var(--line); }
.truths { list-style: none; margin: 0; padding: 0; display: grid; gap: .85rem; }
.truths li {
  font-family: var(--display); font-size: clamp(1.25rem, 2.6vw, 1.85rem); font-weight: 700;
  letter-spacing: -0.02em; padding: 1.15rem 1.25rem;
  background: var(--ice); border-left: 4px solid var(--action); border-radius: 0 14px 14px 0;
}
.truths q { quotes: none; }

.cases { display: grid; gap: 1rem; }
.cases article {
  padding: 1.4rem 1.35rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.cases .tag { font-size: .8rem; font-weight: 700; color: var(--brand-deep); letter-spacing: .04em; text-transform: uppercase; margin-bottom: .85rem; }
.cases p + p { margin-top: .55rem; color: var(--ink-2); }
.cases .why { margin-top: 1rem; color: var(--ink); font-weight: 600; }

.sec--proof { padding-top: 0; }
.proof {
  display: grid; gap: 2rem; align-items: center;
  padding: 2.25rem; border-radius: 24px;
  background:
    radial-gradient(500px 220px at 100% 0%, rgba(37,99,235,.16), transparent 60%),
    linear-gradient(135deg, #EFF4FF, #F8FAFC 55%, #fff);
  border: 1px solid #D9E4F7;
}
.ticks { margin: 1.25rem 0 0; padding: 0; list-style: none; display: grid; gap: .55rem; color: var(--ink-2); }
.ticks li { padding-left: 1.4rem; position: relative; font-weight: 550; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .45rem; width: .7rem; height: .7rem; border-radius: 50%;
  background: var(--action); box-shadow: inset 0 0 0 3px #fff, 0 0 0 1px rgba(37,99,235,.35);
}
.proof__stack { display: grid; gap: .75rem; align-content: start; }

.obj { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.obj > div { display: grid; gap: .35rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.obj dt { font-family: var(--display); font-weight: 700; font-size: 1.15rem; }
.obj dd { margin: 0; color: var(--ink-2); max-width: 62ch; }

.faq { display: grid; gap: .65rem; max-width: 760px; }
.faq details {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: .15rem 1rem;
}
.faq summary {
  cursor: pointer; list-style: none; font-weight: 700; padding: 1rem 0; font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--ink-2); padding: 0 0 1rem; max-width: 60ch; }

.close {
  background:
    radial-gradient(700px 300px at 20% 0%, rgba(37,99,235,.35), transparent 55%),
    linear-gradient(160deg, #0B1B3A, #1E40AF 70%, #1D4ED8);
  color: #fff; padding: 5.5rem 0;
}
.close h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); max-width: 18ch; margin-bottom: 1rem; }
.close .lead { color: rgba(255,255,255,.82); max-width: 52ch; margin-bottom: 1.5rem; }
.five {
  list-style: none; margin: 0 0 1.75rem; padding: 0;
  display: grid; gap: .45rem; max-width: 36ch;
}
.five li {
  font-weight: 600; padding-left: 1.35rem; position: relative;
}
.five li::before {
  content: ""; position: absolute; left: 0; top: .55rem; width: .55rem; height: .55rem;
  border-radius: 50%; background: #93C5FD;
}
.micro--light { margin-top: 1rem; color: rgba(255,255,255,.7); }
.alt { margin-top: 1.5rem; color: rgba(255,255,255,.72); }
.alt a { color: #fff; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.foot { padding: 2.5rem 0 3rem; border-top: 1px solid var(--line); background: var(--surface); }
.foot__inner { display: grid; gap: .75rem; }
.foot p { color: var(--ink-3); }
.foot__links { display: flex; flex-wrap: wrap; gap: 1rem; font-weight: 600; }
.foot__links a:hover { color: var(--action); }
.legal { font-size: .85rem; }

.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1);
  transition-delay: var(--d, 0ms);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (min-width: 900px) {
  .nav { display: flex; }
  .hero__grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; padding-top: .5rem; align-items: start; }
  .cases { grid-template-columns: repeat(3, 1fr); }
  .proof { grid-template-columns: 1.3fr .7fr; padding: 2.75rem; }
  .manifesto li { grid-template-columns: 5.5rem 1fr; gap: 1.5rem; padding: 1.75rem 0; }
  .obj > div { grid-template-columns: 18rem 1fr; gap: 1.5rem; align-items: baseline; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pillar, .reveal { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
}

/* /precos */
.pricing-page { padding: 2rem 0 4rem; }
.pricing-hero { text-align: center; max-width: 42rem; margin: 0 auto 2.5rem; }
.pricing-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}
.price-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.price-card--featured {
  border-color: #1e40af;
  box-shadow: 0 12px 40px rgba(30, 64, 175, 0.12);
  transform: scale(1.02);
}
.price-card__badge {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #1e40af;
}
.price-card__tagline { margin: 0; color: #64748b; font-size: 0.95rem; }
.price-card__amount {
  margin: 0;
  font-size: 2.5rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1;
}
.price-card__amount--talk { font-size: 1.5rem; }
.price-card__currency { font-size: 1.25rem; vertical-align: super; }
.price-card__period { font-size: 1rem; font-weight: 600; color: #64748b; }
.price-card__list {
  margin: 0.5rem 0 1rem;
  padding-left: 1.1rem;
  color: #334155;
  flex: 1;
}
.price-card__list li { margin-bottom: 0.35rem; }
.btn--block { display: block; text-align: center; width: 100%; }
.pricing-note {
  margin-top: 2rem;
  text-align: center;
  color: #475569;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}